Baptismal pool boiler set up..
Comments
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Ah yes, variable speed salvation. I'm guessing though, that it happens all at once. But what do I know? I'm only a plumber.
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Blasphemy!
Now say 10 Hail Mary's and a good Act of Contrition then go and sin no more ✝️
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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I'm not religious. I just like the stories. Besides, I only know "Hail Mary, full of grace", then I'm lost. Can I do 20 of the Lord's prayer instead?
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At the First Baptist Church in the Back Bay section of Boston, built in the 1870s, the baptismal font had a cast iron one pipe steam radiator in it. The air vent was piped up above the flood rim. Simple and effective.
—
Bburd1 -
For Cripe's Sake! @HVACNUT
That would be Jesus Cripe, Son of Gosh, along with Great Cesars Ghost, of the Roman Church of Holy Moley. For those that are not of this faith
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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I think normal swimming pools run at 81-82
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@EdTheHeaterMan thanks ed .
The customer is fixed on a boiler set up. For your proposed set up which I like, is that with the boiler loop with a automatic bypass valve or primary secondary? Can you make a piping arrangement diagram? And I was thinking a tekmar 150 for controlling the pool temp. Thanks again
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With a CI boiler you need some sort of return temperature protection if the tub is heated to say 85- 100°?
A 3 way protection valve is ideal, or cobble together 3 ball valves and manually adjust flow.
So you can use whatever device between the boiler and tank.
With an indirect it may have the temperature control built in. Set it to the desired temperature wire it to TT on the boiler.
A setpoint control like a Ranco, Johnson control, etc would allow tighter more accurate temperature control, and digital readout. Probably less $$ than a tekmar 150 and more features.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream
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This is what I come up with for your boiler system
However, if you feel the need for overkill, install the bypass and use manual valves to get the return water temperature where you need it. The boiler protection valve will make the adjusting automatic if you believe you need it.
The parts list is above and the boiler protection valve can be found here: Caleffi 280966A-1, but I really believe it is overkill. But if it is in the church's budget, then go for it. I try to keep the cost as low as possible when it comes to church.
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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i really think a glass lined steel tank type gas or electric water heater will last forever in this application. if you're only putting 600 gallons of water in it a month that is nothing, in normal residential use it sees that in a couple days.
i assume your boiler failed because you're running the tub water directly through it, a cast iron boiler isn't designed for an open system with potable water, a water heater is.
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Agree, but @Mail4tommo said above, "The customer is fixed on a boiler set up." I'd at least try to push an indirect coil.
I also don't see the point of using a circulator pump instead of just filling it with water that goes through a water heater. Use a tempering valve to get it the right temperature.
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The original boiler was probably an AO Smith copper-coil water heater, similar to a AO Smith Burkay Water Heater. There was once a much smaller model available, but it is no longer manufactured.
A copper-coil water heater with a bronze or stainless-steel circulator pump could last for decades in this type of application. However, in this case the unit has failed, and there is no inexpensive replacement that offers a 60,000 to 80,000 BTU burner, which would be ideal for this application.
A large-burner, small-tank water heater would be perfect here. Unfortunately, there does not appear to be a large market for this type of water heater, so manufacturers rarely produce them.
I suppose baptism is not a large market for water heater manufacturers.
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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This is being made way more complicated than it needs to be.
The makers of baptisteries also offer electric in line heaters (usually made by Little Giant) specifically for this purpose. They’re usually 4-5kw and can easily heat the average sized baptistery over night.
I’m a Baptist and I’ve installed or repaired several over the years.
Bob Boan
You can choose to do what you want, but you cannot choose the consequences.
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I made that suggestion earlier and the customer only want s a boiler accorcing to @Mail4tommo
And you know the customer is always right! (Harry Gordon 1909)
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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Ed, the customer is definitely wrong in this case, probably from the misconception that they need a boiler to do the job.
Baptist churches are democratic in their decision making (sometimes too much so) and usually a committee makes these kind of decisions. The problem is that the committee is quite often a pool of ignorance putting forth erroneous opinions.
It has well been said that a camel is a horse that was put together by a Baptist committee.
Did I mention that I’m a Baptist?
Bob Boan
You can choose to do what you want, but you cannot choose the consequences.2 -
@EdTheHeaterMan you are 100% correct it's exactly the setup they used to have.
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I hear ya' @Ironman Cape Island Baptist Church In Cape May, NJ was my customer for many years. I was the oil company's service man (by recommendation) and when they needed a new boiler for the church, I wanted the job. I also knew that there was a committee of
ignorance putting forth erroneous opinionsvery intelligent people, and I didn't have time to answer 20 questions, over the phone, after each member read the proposal, so I didn't mail the proposal. I requested that I be invited to a committee meeting as a guest speaker to give them the proposal in person with all decision makers present.I then prepared three options with a power point presentation explaining the features and benefits of each choice. After the presentation, I answered questions for the group and then left the meeting with the thanks of the committee and my sincere thanks for them to make time for me at their meeting. The next day I got the call that I was awarded the job and selected the middle cost proposal.
And I remember seeing that baptismal water heater in the boiler room standing about 3 ft tall. All copper coils with a 60,000 BTU burner under them. I thought to myself when I looked at it, "I would hate to have to vacuum clean soot out of that mess of copper"
That's why I thought the electric spa heaters were the way to go.
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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Cheer up, @Ironman . You should try my game — dealing with a vestry (Episcopal). There are times I sit there and contemplate career choices… oh one other thing. Never, ever argue with the Altar Guild…
Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England2
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